Chevy LT1 Engine and Reverse-Flow Technology
The Chevrolet LT1 5.7L V8 engine that was produced from 1992 to 1997 has some significant differences compared to the previous small block Chevy it replaced, and the third generation LS1 small block that later replaced it. The most obvious difference that distinguishes the LT1 from these other engines is the front-mounted Opti-Spark ignition system.
Choosing Aftermarket BBC Cylinder Heads for Street/Strip Applications
In 1958, Chevrolet released the first big block for use in its trucks and heavier passenger cars. It was called the “W” engine and it came in three engine displacements until 1965: 348 cid, 409 cid and 427 cid. After Chevy introduced its “mystery engine” to NASCAR in 1962 with a combustion chamber and canted
Rebuilding the CAT 3208 Diesel
Since information from Caterpillar is always held very tight within the family it was very hard to get an accurate history of how the relationship all came about, so if I’m a bit off in my timeline, forgive me. I assure you, it won’t affect the content of this article. The bottom line is, Ford
Valve Adjustment Procedures for Nissan SR20DE Engines
Each cylinder contains two intake valves and two exhaust valves. Each pair of valves is operated by one Y-shaped rocker arm. One valve in each pair contains a rocker arm guide which is not adjustable. The matching valve contains a replaceable shim. A hydraulic lash adjuster (HLA) is also included in the system and acts
Engine Builder Shop Solutions: August 2009
Gasket Surface Cleaning Caution Cleaning gasket surfaces can be a terrible thing to do! Many of today’s cylinder heads, and various parts are made of aluminum. The use of cleaning discs can damage the surface being cleaned by actually removing some of the surface being cleaned. There are also dangers of getting fibers from the
Take The War Out Of Warranty Claims
While it may have been an uncomfortable topic for some, I feel I succeeded with the previous column. Of course there are always those who dispute the need for personal responsibility. Since we live in a world full of handouts and government programs, why be responsible for yourself? I have a good friend who describes
Performance Carburetors
Carburetors persist because they are relatively simple and inexpensive compared to electronic fuel injection (EFI). Most racers and hot rodders are familiar with carburetors and know something about how to install, tune and adjust a carburetor. They may not always do it right, but all they usually need is a screwdriver and a wrench. They
CFM Rules
CFM and Carburetors: Carburetors are rated by CFM (cubicfeet per minute) capacity. 4V carburetors are rated at 1.5 inches (Hg)of pressure drop (manifold vacuum) and 2V carburetors at 3 inches (Hg).Rule: For maximum performance, select a carburetor that is rated higherthan the engine CFM requirement. Use 110% to 130% higher onsingle-plane manifolds. Example: If the
Engine Part Coatings: Is Beauty Only Skin Deep?
Outside of the engine building community, people think of coatings and think of something dipped in chocolate and rolled in candy. For us it’s a little different, especially with engine coatings – even though it may be candy to your engine parts business. So let’s just clear this up right now: there is no caramel,
1998-2002 Honda 3.2L V6 Camshaft Subgear Preloading
The1998-2002 Honda Passport (3.2L) V6 engine has a “non-interference”design. This means the valves never contact the pistons, even when thevalves or camshafts are not correctly timed, or even if a valve isfully open and its piston is at top dead center (TDC). • The ratio between the camshaft drive gear and the camshaft gears is1.33
2009 Machining & Engine Parts Guide
Click here to download the Tech Guide pdf. Head & Block Decks & Gaskets Cylinder Bores & Piston Rings Valves & Valve Seats Cam Bores, Bearings & Camshafts Sponsored by:
Crane Cams To Be Purchased By Scorpion Performance, Holds Job Fair
Scorpion Performance, Inc., a high performance valvetrain parts manufacturer, recently announced that it is in the process of buyingCrane Cams, which closed its doors in February and was scheduled for a liquidation sale in April. Crane Cams has been in business 56 years and is one of the best-known brands in the industry. Scorpion Performance
Crane Cams’ Auction Company Says Sale Not Done
LiquiTec Industries Inc., which has been engaged to liquidate the assets of Crane Cams Inc. of Daytona Beach, Fla., one of the largest manufacturers of camshafts and valve train components for the performance industry, says that the deal to sell the company to Scorpion Performance is in serious negotiations but not yet a done deal.
2009 Machining & Engine Parts Guide
Click here to download the Tech Guide pdf. Head & Block Decks & Gaskets Cylinder Bores & Piston Rings Valves & Valve Seats Cam Bores, Bearings & Camshafts Sponsored by:
Zen & The Art of Motorcycle Engine Rebuilding
The book Zen and the Art of Motorcycle Maintenance demonstrates that working on motorcycles may be either dull and tedious drudgery or an enjoyable and pleasurable pastime; it all depends on the inner attitude, or lack thereof. Looking deeper into Zen and the Art, the narrator seems to point out that there are two different
Racing Oil and Additves
Engine oil has sometimes been compared to a cake mix. The base oil is like the flour and the additives are the spices. How much is used of each varies by the type of cake and its intended use. Birthday cakes don’t really work for weddings. Engine builders have also been compared to gourmet chefs,
Piston Options and Opportunities
The sport compact market, it was thought, was going to breathe new life into the performance engine market, and for many years, the rapid growth of the market seemed to indicate that there was no limit to how big those little engines could get. Then something happened: to quote Engine Builder columnist and performance expert
Elgin Industries Launches 90th Anniversary Celebration
In1919, the world’s best-selling automobile was the Ford Model T and theindependent aftermarket was still in its formative stages. Yet,Czechoslovakian immigrant Martin Skok saw opportunity in the vehicleparts industry. In May of that year, Skok founded the company thatwould become Elgin Industries, which, 90 years later, continues toprove that a family-owned manufacturing business can thrive
COMP Cams, NASCAR Commit To Decade-Long Performance Partnership
COMP Cams and NASCAR have inked an historic agreement to be continue as official Automotive Performance Partners for the next ten years. This status makes COMP Cams an exclusive NASCAR Performance partner, arming COMP with the brand and marketing assets for its high performance products. “We are truly excited to have been able to renew
Revised Timing Belt and Tensioner Setup Procedure Ford 2.0L Engines
To achieve proper timing belt tension, the camshaft sprocket bolts should be loosened enough to permit the sprockets to turn freely on the camshafts. With cam sprocket bolts loosened and cylinder #1 at TDC, crankshaft must be rotated to TDC in clockwise direction (install camshaft alignment tool in th camshaft slots). 5) Tighten the attaching